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Heart|Lab Grown|IGI

4.50ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG643437545

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG643437545

Diamond specifications and retailer prices

From €643 EUR
$718 USD
As of October 30, 2026
Save €5,739 EUR (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €6,382 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.5ct lab-grown heart diamond

This 4.5ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG643437545 or 643437545. Listed at 21 retailers as of October 30, 2026, with prices from €643 to €6,382, a €5,739 spread on the same certified stone. Do Amore Diamonds lists it at €6,382. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.50
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643437545
Dimensions10.30 × 11.75 × 6.47 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.30 mm11.75 mm4.50 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643437545
Side View
Table 61.0%Crown 36.1°Girdle: MED-THKPavilion 38.3°Culet: NoneDepth 55.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,262 EUR|Low: €617 EUR|High: €3,181 EUR|Avg: €1,606 EUR|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 13€643 EUR
Retailer 4€699 EUR
Retailer 6€720 EUR
Retailer 14€745 EUR
Retailer 11€904 EUR
Retailer 5€1,133 EUR
Retailer 1€1,262 EUR
Retailer 10€1,751 EUR
Retailer 8€1,762 EUR
Retailer 12€1,835 EUR
Retailer 3€2,312 EUR
Retailer 2€2,540 EUR
Retailer 9€3,100 EUR
Retailer 7€3,136 EUR

43 data points across 14 retailers

21 retailers€643 EUR to €6,382 EUR

A
Cheapest Retailer
-
€643 EUR
$718 USD
A
Retailer 2
-
€699 EUR
$781 USD
View
A
Retailer 3
-
€720 EUR
$804 USD
View
Final sale: no returns
A
Retailer 4
-
€745 EUR
$832 USD
View
Retailer 5
-
€745 EUR
$832 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€904 EUR
$1,010 USD
View
B+
Retailer 7
-
€1,051 EUR
$1,174 USD
View
A
Retailer 8
-
€1,133 EUR
$1,266 USD
View
A
Retailer 9
-
€1,262 EUR
£1,110 GBP
View
A
Retailer 10
-
€1,365 EUR
$1,525 USD
View
B+
Retailer 11
-
€1,751 EUR
ZAR 31,594 ZAR
View
B+
Retailer 12
-
€1,762 EUR
A$3,029 AUD
View
B+
Retailer 13
-
€1,835 EUR
$2,050 USD
View
B+
Retailer 14
-
€2,312 EUR
$2,583 USD
View
B+
Retailer 15
-
€2,408 EUR
$2,691 USD
View
B
Retailer 16
-
€2,540 EUR
$2,838 USD
View
B
Retailer 17
-
€2,939 EUR
$3,283 USD
View
B
Retailer 18
-
€3,100 EUR
£2,727 GBP
View
B
Retailer 19
-
€3,136 EUR
A$5,390 AUD
View
B
Retailer 20
-
€5,702 EUR
$6,370 USD
View
Most Expensive
B
Do Amore Diamonds
23-643437545 · Oct 31
€6,382 EUR
$7,130 USD
View
20 more retailers have this diamond
Prices start from €643 EURSave up to €5,739 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.50ct Heart
€643 EUR